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| Q. | What is a multiplexer? | 
| A. | It is a type of decoder which decodes several inputs and gives one output | 
| B. | A multiplexer is a device which converts many signals into one | 
| C. | It takes one input and results into many output | 
| D. | It is a type of encoder which decodes several inputs and gives one output | 
| Answer» B. A multiplexer is a device which converts many signals into one | |
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